- Model NO.：IR-SS steel pipe
- Outer Diameter：0.3mm~20mm
- Wall Thickness：0.08mm~2mm
- Steel Grade：316, 316L,304L, 304, S32750
- Transport Package：Standard Seaworthy Packing
- Specification：ASME
- Trademark：Iron&steel
- Origin：China
- HS Code：7306
- Production Capacity：1000 PCS Per Month
Nominal Diameter(mm)
Outside Diameter(mm) | Nominal Wall Thickness (mm) | | N.B | NPS | SCH5S | SCH10S | SCH40S |
| 8 | 1/4″ | 13.72 | | 1.65 | 2.24 |
| 10 | 3/8″ | 17.15 | | 1.65 | 2.31 |
| 15 | 1/2″ | 21.34 | 1.65 | 2.11 | 2.77 |
| 20 | 3/4″ | 26.67 | 1.65 | 2.11 | 2.87 |
| 25 | 1″ | 33.4 | 1.65 | 2.77 | 3.38 |
| 32 | 1-1/4″ | 42.16 | 1.65 | 2.77 | 3.56 |
| 40 | 1-1/2″ | 48.26 | 1.65 | 2.77 | 3.68 |
| 50 | 2″ | 60.33 | 1.65 | 2.77 | 3.91 |
| 65 | 2-1/2″ | 73.03 | 2.11 | 3.05 | 5.16 |
| 80 | 3″ | 88.9 | 2.11 | 3.05 | 5.49 |
| 90 | 3-1/2″ | 101.6 | 2.11 | 3.05 | 5.74 |
| 100 | 4″ | 114.3 | 2.11 | 3.05 | 6.02 |
| 125 | 5″ | 141.3 | 2.77 | 3.4 | 6.55 |
| 150 | 6″ | 168.28 | 2.77 | 3.4 | 7.11 |
| 200 | 8″ | 219.08 | 2.77 | 3.76 | 8.18 |
| Tolerance : |
| Standard | GB151 ASTM JIS DIN |
| OD | | I | II |
| <Ø25---≥Ø50 | ±0.18 | ±0.30 |
| ≥Ø25---≤Ø89 | ±0.30 | ±0.45 |
| ≥Ø89---≤Ø129 | ±0.51 | ±0.80 |
| Thickness | All specifications±0.5% |
| Length | All specifications±6 |
| Straightness | All specifications≤2/1000 |
| | |
| Grade and Main chemical composition% |
| | C | Si | Mn | P≤ | S≤ | Cr | Mo | Ni | Other |
| 201 | ≤0.15 | ≤1.00 | 5.5-7.5 | 0.06 | 0.03 | 16-18 | - | 3.5-5.5 | N≤0.25 |
| 202 | ≤0.15 | ≤1.00 | 7.5-10.0 | 0.06 | 0.03 | 17-19 | - | 4.0-6.0 | N≤0.25 |
| 301 | ≤0.15 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | - | 6.0-8.0 | - |
| 302 | ≤0.15 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 8-10.0 | - |
| 303 | ≤0.15 | ≤1.00 | ≤2.00 | 0.2 | ≥0.015 | 17-19 | ≤0.6 | 8.0-10.0 | - |
| 304 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | - | 8-10.5 | - |
| 304L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | - | 9-13 | - |
| 305 | ≤0.12 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 10.5-13 | - |
| 309S | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 22-24 | - | 12-15 | - |
| 310S | ≤0.08 | ≤1.5 | ≤2.00 | 0.045 | 0.03 | 24-26 | - | 19-22 | - |
| 316 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | 2-3 | 10-14 | - |
| 316L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 16-18 | 2-3 | 12-15 | - |
| 317 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | 3-4 | 11-15 | - |
| 317L | ≤0.03 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 18-20 | 3-4 | 11-15 | - |
| 321 | ≤0.08 | ≤1.00 | ≤2.00 | 0.045 | 0.03 | 17-19 | - | 9-13 | Ti≥5×C |
| 405 | ≤0.08 | ≤1.00 | ≤1.00 | 0.04 | 0.03 | 11.5-14.5 | - | ≤0.6 | AL0.1-0.3 |
| 420F | 0.26-0.4 | ≤1.00 | ≤1.25 | 0.06 | ≥0.15 | 12-14 | ≤0.6 | ≤0.6 | - |
| 430 | ≤0.12 | ≤0.75 | ≤1.00 | 0.04 | 0.03 | 16-18 | - | ≤0.6 | |
